Home / 11,269.36-15,547.44-7,070.32

Finding the Fourth Proportional to 11,269.36, 15,547.44 and 7,070.32

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Solution

The fourth proportional to 11,269.36, 15,547.44 and 7,070.32 is: 9,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.36 : 15,547.44 = 7,070.32 : x
  2. Step 2: Convert to fraction form
    11,269.36/15,547.44 = 7,070.32/x
  3. Step 3: Cross multiply
    11,269.36x = 15,547.44 × 7,070.32
  4. Step 4: Simplify right side
    11,269.36x = 109,925,375.98
  5. Step 5: Solve for x
    x = 109,925,375.98/11,269.36
  6. Step 6: Final answer
    x = 9,754.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.